dateeditor.java

webwork source

/*
 * WebWork, Web Application Framework
 *
 * Distributable under Apache license.
 * See terms of license at opensource.org
 */
package webwork.util.editor;

import webwork.action.ValidationEditorSupport;
import webwork.action.ActionContext;
import webwork.util.DateFormatter;

import java.text.DateFormat;
import java.util.Locale;
import java.util.Date;

/**
 *	@see java.beans.PropertyEditorSupport
 *	@see ValidationEditorSupport
 *	@see FastPropertyEditor
 *	@see PropertyEditorException
 *	@author Matt Baldree ([e-mail])
 *	@version $Revision: 1.6 $
 */
public class DateEditor extends ValidationEditorSupport implements FastPropertyEditor {

   public void setAsText(String txt) {
   	setValue(getAsValue(txt));
   }

   public Object getAsValue(String txt) {
      if (txt == null || txt.length() == 0)
         return null;
      try {
         DateFormatter formatter = new DateFormatter();
         try {
            formatter.setParser(DateFormat.getDateInstance(DateFormat.SHORT,
               ActionContext.getLocale()));
         } catch (Exception e) {
            //ignore, use default parser
         }

         formatter.setDate(txt);
         return formatter.getDate();
      } catch (Exception e) {
         throw new PropertyEditorException(PropertyMessage.BAD_DATE, txt);
      }
   }

   public String getAsText()
   {
      return value == null ? "" : formatDate(value);
   }

   public String getAsText(Object val)
   {
      return val == null ? "" : formatDate(val);
   }

   private static String formatDate(Object obj) {
      try {
         DateFormatter formatter = new DateFormatter();
         formatter.setDate((Date)obj);

         try {
            formatter.setFormat(DateFormat.getDateInstance(DateFormat.SHORT,
               ActionContext.getLocale()));
         } catch (Exception e) {
            //ignore, use default parser
         }
         return formatter.getFormattedDate();
      } catch(Exception e) {
         return "";
      }
   }

}